<?php

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * determines if a resource is trusted or not
 *
 * @param string $resource_type
 * @param string $resource_name
 * @return boolean
 */

// $resource_type, $resource_name
function smarty_core_is_trusted($params, &$smarty) {
	$_smarty_trusted = false;
	if ($params['resource_type'] == 'file') {
		if (!empty($smarty->trusted_dir)) {
			$_rp = realpath($params['resource_name']);
			foreach ((array)$smarty->trusted_dir as $curr_dir) {
				if (!empty($curr_dir) && is_readable($curr_dir)) {
					$_cd = realpath($curr_dir);
					if (strncmp($_rp, $_cd, strlen($_cd)) == 0 && substr($_rp, strlen($_cd), 1) == DIRECTORY_SEPARATOR) {
						$_smarty_trusted = true;
						break;
					}
				}
			}
		}
	} else {
		// resource is not on local file system
		$_smarty_trusted = call_user_func_array($smarty->_plugins['resource'][$params['resource_type']][0][3], array(
				$params['resource_name'],$smarty 
		));
	}
	
	return $_smarty_trusted;
}

/* vim: set expandtab: */

?>
